卖195call，买225call. 看跌

来源: 挨踢于 2024-07-02 13:13:35 [档案] [博客] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

回答: long call position roll up是偏空的, 相当于bear call credit spread 由 opst 于 2024-07-02 12:26:57

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